Home / 147,595.84-203,591.28-105,168.04

Finding the Fourth Proportional to 147,595.84, 203,591.28 and 105,168.04

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Solution

The fourth proportional to 147,595.84, 203,591.28 and 105,168.04 is: 145,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595.84 : 203,591.28 = 105,168.04 : x
  2. Step 2: Convert to fraction form
    147,595.84/203,591.28 = 105,168.04/x
  3. Step 3: Cross multiply
    147,595.84x = 203,591.28 × 105,168.04
  4. Step 4: Simplify right side
    147,595.84x = 21,411,295,878.69
  5. Step 5: Solve for x
    x = 21,411,295,878.69/147,595.84
  6. Step 6: Final answer
    x = 145,067.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.